Cohort Study of Chronic Heart Failure

This observational cohort study is following people with chronic heart failure over time to better understand how the disease progresses and what factors affect long-term outcomes. Participants will be monitored through regular check-ins while being treated with standard oral medications. **You may be eligible if...** - You are 18 or older with a diagnosis of chronic heart failure, or newly diagnosed heart failure with abnormal heart function confirmed by echocardiogram and blood tests - Your heart failure is caused by dilated cardiomyopathy, high blood pressure, heart disease from blocked arteries, or mild valve disease - You are being treated with oral medications after hospital discharge **You may NOT be eligible if...** - You have very severe kidney disease (creatinine clearance below 30 ml/min) or are on dialysis - You have a correctable cause of heart failure (e.g., thyroid disease, severe anemia, significant valve disease) that has not been addressed - You need a pacemaker but haven't received one - You have COPD with Type 2 respiratory failure - You have a mental illness, are pregnant, or belong to another special population requiring different care considerations Talk to your doctor to see if this trial is right for you.